JP2793619B2 - Punch / Laser combined processing machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial application field) The present invention relates to a combined punch / laser machine equipped with a punch press and a laser machine.

(Prior Art) In a punch / laser combined machine equipped with a punch press and a laser machine, a striker is provided on a frame of the punch press and mounted below the striker in order to perform punching. A plurality of punches are mounted on the holder. The striker moves up and down to strike a predetermined punch by appropriately operating a striker driving device mounted near the striker in a punch press frame.

In addition, in order to perform laser processing, the laser processing machine includes a laser processing head that irradiates a laser beam.

Conventionally, the laser processing head is mounted near a striker and a striker driving device in a punch press frame. Further, the laser processing head was mounted on the frame of the laser processing machine in a cantilever manner.

(Problems to be Solved by the Invention) However, when the laser processing head as described above is mounted near a striker and a striker driving device in a frame of a punch press, the vertical movement of the striker and the driving of the striker driving device cause There has been a problem that a desired laser processing cannot be performed due to vibration of the laser processing head.

Further, when the laser processing head is mounted on the frame of the laser processing machine in a cantilever manner, the laser processing head tends to bend downward, and there is a problem that alignment of the optical axis is troublesome.

[Constitution of the Invention] (Means for Solving the Problems) In view of the conventional problems as described above, the present invention provides an upper arm and a lower arm in the lower frame of a C-shaped frame having an upper frame and a lower frame. A swan-neck holder provided with an arm, a plurality of punches are provided at a front portion of the upper arm, appropriately spaced apart in the X-axis direction and the Y-axis direction, and the punches are provided at a front portion of the lower arm. A plurality of dies corresponding to the above are arranged and provided, and a hydraulic cylinder device provided with a striker for pressing the respective punches movably up and down is provided on the upper frame so as to be movable in the X-axis direction and the Y-axis direction. And a clamp device that grips the workpiece processed by each die and moves and positions in the X and Y axes. A laser processing head connected to receive a beam is provided at a position shifted in the X-axis direction and at a position equal to the Y-axis direction with respect to a punch serving as a reference among the plurality of punches, and a lower portion of the laser processing head is provided. A punch laser combined machine characterized in that it is formed in a tapered shape and is provided in a tapered hole formed in the upper arm so as to be vertically movable via an air cushion.

(Example) Hereinafter, an example according to the present invention will be described with reference to the drawings.

Referring to FIG. 1, a combined punch / laser machine 1
Is provided with a punch press 3 for performing punching processing and a laser processing machine 5 for performing laser processing.

The punch press 3 will be described in detail. The punch press 3 includes a C-shaped frame 11 including an upper frame 7 and a lower frame 9, and the lower frame 9 is provided with a swan neck holder 13. The swan neck holder 13 is a known one shown in Japanese Utility Model Laid-Open Publication No. 59-73039, and has an upper arm 15 and a lower arm 17.

A fixed table 19 is provided on the lower arm 17 of the swan neck holder 13, and a movable table 21 is disposed on the left and right sides of the fixed table 19. The movable table 21 is guided by a rail 25 provided on the lower arm 17 via a support member 23, is movable in the y-axis direction (front-back direction), and appropriately rotates a y-axis ball screw (not shown). By doing so, the movable table 21 moves in the y-axis direction. In addition,
The fixed table 19 and the movable table 21 are provided with free rolling bearings 27 for supporting a work.

Behind the movable table 21, the x-axis direction (left-right direction)
The carriage base 29 extending to is provided integrally,
A carriage 33 having a clamp device 31 for gripping a work is provided on the carriage base 29 so as to be movable in the x-axis direction. The carriage 33 moves in the x-axis direction by appropriately rotating an x-axis ball screw (not shown).

With the above configuration, the carriage base 29 moves in the y-axis direction integrally with the movable table 21 by appropriately operating the y-axis ball screw, and the carriage is appropriately operated by the x-axis ball screw. 33 moves in the x-axis direction. Therefore, the work held by the clamp device 31 can be appropriately moved in the x-axis direction and the y-axis direction.

At the front of the upper arm 15 of the swan neck holder 13, a plurality of punches 35 are provided detachably at appropriate intervals in the x-axis direction (left-right direction) and the y-axis direction (front-rear direction). In the part, a plurality of dies 37 are vertically opposed to the punch 35.
Is provided detachably. The plurality of punches 35 and the dies 37 have various dimensions and shapes, and the punches 35 and the dies 37 facing up and down have the same dimensions and the same shape.

A pressing device 41 provided with a striker 39 moves in the x-axis direction (left-right direction) and the y-axis direction (front-back direction) in order to press a predetermined punch 35 and perform punching with a predetermined punch 35 and a die 37. It is provided freely.

For details of the pressing device 41, referring to FIGS. 2 and 3, the front side of the upper frame 7 (left side in FIG. 2, front side in FIG. 3) faces the x-axis ( A guide member 43 is provided extending in the front-to-back direction in FIG. 2 (in the front-to-back direction in FIG. 2, and in the left-right direction in FIG. 3). The guide member 43 is provided via a plurality of guide rollers 45 as shown in FIG. A slider block 47 is provided movably in the x-axis direction.

In order to move the slide block 47 in the x-axis direction, a rack member 49 extending in the x-axis direction is provided on the rear side of the slider block 47 (on the right side in FIG. 2, behind the paper surface in FIG. 2). And a pinion 53 interlockingly connected to a rotation axis of an x-axis drive motor 51 mounted on the upper frame 7.
Are engaged with the rack member 49.

The slider block 47 has a movable slider 57 in the y-axis direction (left and right in FIG. 2, front and back in FIG. 3) via a plurality of guide rollers 55 as shown in FIG. It is provided. In order to move the slider 57 in the y-axis direction, a rack (not shown), a pinion (not shown), and a y-axis drive motor (not shown) are provided as described above. It should be noted that a fluid pressure cylinder device may be provided instead of the rack, the pinion, and the y-axis drive motor.

A hydraulic cylinder device 59 that constitutes a part of the pressing device 41 is provided below the slider 57, and the striker 39 is attached to a piston rod 61 that can project downward from the hydraulic cylinder device 59. is there.

As understood from the above configuration, the x-axis drive motor 51
The slider block 47 is guided by the guide member 43 to move in the x-axis direction by operating the slider 57 appropriately, and the slider 57 is guided by the slider block 47 to move in the y-axis direction by operating the y-axis drive motor appropriately. To move to.
Therefore, the pressing device 41 can be moved to a predetermined position in the x-axis and y-axis directions.

For details of the laser processing machine 5, referring to FIG. 1 again, the laser processing machine 5 includes a laser oscillator 63 and a laser processing head 65, and the laser oscillator 63 and the laser processing head 65 include a photoconductive device 67. Optically connected via The laser oscillator 63 and the photoconductive device 67 are provided separately from the punch press 1.

The photoconductive device 67 functions to guide the laser beam LB oscillated from the laser oscillator 63 to the laser processing head 65. The laser oscillator 63 and the photoconductive device 67
May be a general one, such as a laser oscillator 63, a photoconductive device 67.
The details of the configuration are omitted.

The laser processing head 65 irradiates the work with the laser beam LB oscillated from the laser oscillator 63 and injects an assist gas to the work, and the laser processing head 65 collects the laser beam LB. A lens (not shown) and the like are provided. Above laser processing head 65
Is provided on the upper arm 15 of the swan neck holder 13, and the laser processing head 65 has the same position as the reference punch 35 in the y-axis direction.

In order to prevent the vibration from the upper arm 15 from being transmitted to the laser processing head 65, and to accurately position the laser processing head 65 with respect to the upper arm 15, the lower side of the laser processing head 65 Has a tapered shape, and is provided in a tapered hole of the upper arm 15 so as to be vertically movable via an air cushion.

The operation of the present embodiment will be described based on the above configuration.

In the combined punch / laser machine 1, when performing punching, the carriage 33 is appropriately moved in the y-axis direction and the carriage 33 is appropriately moved in the x-axis direction, so that the clamping device 31 holds the carriage 33. The work is positioned at a predetermined position in the x-axis and y-axis directions. Also,
The pressing device 41 provided with the striker 39 is moved in the x-axis and y-axis directions, and the pressing device 41 is positioned at a position vertically above the predetermined punch 35. Then, the hydraulic cylinder device 59
Is operated to strike the predetermined punch 35 with the striker 39. Thereby, desired punching processing can be performed.

When performing laser processing, the laser oscillator 63 is appropriately operated to oscillate the laser beam LB. Then, the laser processing head 65 is appropriately operated to irradiate the laser beam LB and inject the assist gas. Thus, desired laser processing can be performed.

As described above, according to the present embodiment, the upper arm 15 of the swan neck holder 13 provided below the striker 39
In addition, the laser processing head 65 is provided so that the laser processing head 65 can be connected to the upper frame 7 of the punch press 3.
In comparison with the case in which the striker 39 is provided, it is relatively unaffected by vibrations caused by the movement of the striker 39 during punching. Therefore, desired laser processing can be performed.

Also, since the laser processing head 65 is not mounted in a cantilever manner, the laser processing head 65 does not bend downward,
The difficulty in aligning the optical axis is less likely.

Furthermore, the holder 13 for mounting the punch 35 is fixed,
The striker 39 can be moved back and forth, left and right, and the laser processing head 65 is attached to the fixed holder 13. Compared with the case where the head is mounted, it is less likely that the alignment of the optical axis is troublesome. Note that the present invention is not limited to the description of the above-described embodiment of the present invention, and various changes can be made by making appropriate changes. Can be implemented.

[Effects of the Invention] As can be understood from the above description of the embodiments, in short, the present invention provides a C-shaped frame (11) having an upper frame (7) and a lower frame (9). 9), a swan-neck holder (13) having an upper arm (15) and a lower arm (17) is provided, and a plurality of punches (35) are provided at the front of the upper arm (15) in the X-axis direction and Y-direction. A plurality of dies (37) corresponding to the above-mentioned punches (35) are arranged and provided in front of the lower arm (17). A hydraulic cylinder device (59) having a striker (39) capable of vertically moving is provided on the upper frame (7) so as to be movable in the X-axis direction and the Y-axis direction, and is processed by the punches and the dies. To move the workpiece in the X and Y axes A free clamp device (31) is provided, and a laser oscillator (63) and a photoconductive device (6
The laser processing head (65) connected to receive the laser beam (LB) via 7) is displaced in the X-axis direction with respect to the punch serving as a reference among the plurality of punches (35), and is shifted in the Y-axis direction. The laser processing head (65) is provided at the same position, the lower part of the laser processing head (65) is formed in a tapered shape, and the laser processing head (65) is vertically movably provided in a tapered hole formed in the upper arm (15) via an air cushion. .

Therefore, according to the present invention, it is of course possible to perform punching processing and laser processing on a work, but since the laser processing head 65 is located at a fixed position, alignment of the optical axis is easy, and punching processing is performed. The optical system of the laser processing head 65 can be protected from vibration at the time, and the laser processing head 65 can be accurately positioned with respect to the upper arm 15 during laser processing.

[Brief description of the drawings]

The drawings illustrate an embodiment according to the present invention.
The figure is a schematic perspective view of the multi-tasking machine, in which a pressing device is omitted. FIG. 2 is a side sectional view of the pressing device. FIG. 3 is a view along the line III-III in FIG. 1 ... Punch / Laser combined machine 3 ... Punch press 5 ... Laser machine 39 ... Striker 13 ... Swan neck holder 15 ... Upper arm, 17 ... Lower arm 35 ... Punch, 65 ... Laser processing head

Claims (1)

(57) [Claims] 1. An upper frame (7) and a lower frame (9).
A swan-neck holder (13) having an upper arm (15) and a lower arm (17) is provided on the lower frame (9) of the C-shaped frame (11) having the following. A plurality of punches (35) are provided at the front part of the lower arm (17) at intervals in the X-axis direction and the Y-axis direction, and a plurality of dies corresponding to the punches (35) are provided at the front part of the lower arm (17). A hydraulic cylinder device (59) provided with a striker (39) for pressing the punches (35) movably up and down is provided on the upper frame (7) in the X-axis direction and the Y-axis direction. The laser oscillator (63) is provided so as to be movable so as to hold the work to be processed by each of the punches and the dies and to move and position in the X and Y directions. Receiving laser beam (LB) via photoconductive device (67) A laser processing head (65) connected so as to be displaced in the X-axis direction and positioned at an equal position in the Y-axis direction with respect to a punch serving as a reference among the plurality of punches (35), A combined punch / laser machine, wherein a lower portion of a head (65) is formed in a tapered shape, and is provided in a tapered hole formed in said upper arm (15) so as to be vertically movable via an air cushion.